<template>
  <el-image
    :src="`${realSrc}`"
    fit="cover"
    :style="`width:${realWidth};height:${realHeight};`"
    :preview-src-list="realSrcList"
    preview-teleported
  >
    <template #error>
      <div class="image-slot">
        <el-icon><picture-filled /></el-icon>
      </div>
    </template>
  </el-image>
</template>

<script setup lang="ts">
  import { isExternal } from '@/utils/validate';

  const props = defineProps({
    src: {
      type: String,
      default: '',
    },
    width: {
      type: [Number, String],
      default: '',
    },
    height: {
      type: [Number, String],
      default: '',
    },
  });

  const realSrc = computed(() => {
    if (!props.src) {
      return;
    }
    const real_src = props.src.split(',')[0];
    if (isExternal(real_src)) {
      return real_src;
    }
    return import.meta.env.VITE_APP_BASE_API + real_src;
  });

  const realSrcList = computed(() => {
    if (!props.src) {
      return;
    }
    const real_src_list = props.src.split(',');
    const srcList = [];
    real_src_list.forEach((item) => {
      if (isExternal(item)) {
        return srcList.push(item);
      }
      return srcList.push(import.meta.env.VITE_APP_BASE_API + item);
    });
    return srcList;
  });

  const realWidth = computed(() =>
    typeof props.width == 'string' ? props.width : `${props.width}px`,
  );

  const realHeight = computed(() =>
    typeof props.height == 'string' ? props.height : `${props.height}px`,
  );
</script>

<style lang="scss" scoped>
  .el-image {
    border-radius: 5px;
    background-color: #ebeef5;
    box-shadow: 0 0 5px 1px #ccc;

    :deep(.el-image__inner) {
      transition: all 0.3s;
      cursor: pointer;

      &:hover {
        transform: scale(1.2);
      }
    }

    :deep(.image-slot) {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      height: 100%;
      color: #909399;
      font-size: 30px;
    }
  }
</style>
